* {
    margin: 0;
    padding: 0;
}

html {
    width: 100%;
    height: 100%;
}

body {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.container {
    width: 365px;
    margin: 0 auto;
}

//主要内容
main {
    .course {
        margin-left: 10px;
        font-weight: 600;
        display: block;
        margin-top: 15px;
        margin-bottom: 10px;
    }

    #newCourse {
        margin-top: 15px;
        box-shadow: 0px 1px 9px 0px #aaa;
        width: 340px;
        margin: 0 auto;

        img {
            width: 100%;
            border-radius: 15px 15px 0px 0px;
            height: 160px;
        }

        .couse-details {
            padding-left: 10px;
            line-height: 20px;
            

            h3 {
                margin-top: 6px;
                font-weight: 600;

                color: #101010;
            }

            p {
                color: #9A9A9A;
                padding-bottom: 15px;
                margin-top: 7px;
                font-size: 12px;
            }
        }
    }
.courseWords{
    margin-top: 15px;
    margin-bottom: 10px;
    margin-left: 10px;
    font-weight: 600;
}
    #course {
        .courseId {
            border-radius: 15px;
            box-shadow: 0px 1px 9px 0px #aaa;
            width: 340px;
            margin: 0 auto;
            margin-bottom: 20px;

            img {
                width: 100%;
                border-radius: 15px 15px 0px 0px;
                height: 160px;
            }

            .couse-details {
                padding-left: 10px;
                line-height: 20px;

                h3 {
                    margin-top: 6px;
                    font-weight: 600;

                    color: #101010;
                }

                p {
                    color: #9A9A9A;
                    padding-bottom: 15px;
                    margin-top: 7px;
                    font-size: 12px;
                }
            }
        }
    }

}